Home / 189,817,859.60-284,726,789.40-169,662,467.60

Finding the Fourth Proportional to 189,817,859.60, 284,726,789.40 and 169,662,467.60

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Solution

The fourth proportional to 189,817,859.60, 284,726,789.40 and 169,662,467.60 is: 254,493,701.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,817,859.60 : 284,726,789.40 = 169,662,467.60 : x
  2. Step 2: Convert to fraction form
    189,817,859.60/284,726,789.40 = 169,662,467.60/x
  3. Step 3: Cross multiply
    189,817,859.60x = 284,726,789.40 × 169,662,467.60
  4. Step 4: Simplify right side
    189,817,859.60x = 48,307,449,681,429,520
  5. Step 5: Solve for x
    x = 48,307,449,681,429,520/189,817,859.60
  6. Step 6: Final answer
    x = 254,493,701.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.